Russian-Records.com, owned by Yuri Bernikov; in its combination of stunning content (not least: rare recordings in technically fantastic transcriptions!), beautiful design and excellent usability, this is perhaps the very best website for the collector of historical operatic recordings.

Isoldes Liebestod, illustrated biographies of Wagner singers in German, English and Portuguese; never completed and unchanged for years, yet highly recommended

Bach cantatas, a comprehensive site covering all aspects of J. S. Bach's cantatas and his other vocal works, contains discussions and detailed discographies of each cantata and other vocal works, performers and general topics, as well as texts and translations, scores, articles and interviews, and short biographies of more than 1200 performers of Bach vocal works (singers, conductors, vocal and instrumental groups), Webmaster: Aryeh Oron

Site containing NWC files for voice and piano transcribed by Albert Scerri. The bulk of these files are operatic and classical chosen to cater for all voices. NWC (NoteWorthy Composer Viewer) is a free viewer for *.nwc song files.

Martin Cooke's website. Baritone Martin Cooke talks about his career, with many interesting pictures, and with the best information available (with audio samples) on the Australian tenor Ken Neate, who was Cooke's teacher.